The Embraer R-99 and P-99 are military versions of the ERJ 145 civil regional jet. The R-99 series are equipped with Rolls-Royce AE 3007 turbofan engines, although they are modified to provide 20% more thrust than the civil version. The first flight was in 1999.
Read more about Embraer R-99: Variants, Operational History, Operators, Specifications (ERJ 140), Gallery